Extech Instruments LT250W Quick Start Manual page 2

Quick Start (en)
PREPARATION
1. Included items: LT250W, Quick Start, and batteries.
2. Download the User Manual from the Extech website.
3. Download the ExView mobile app from the App Store (iOS®) or
Google Play (Android™).
4. Install batteries in the rear compartment.
5. Long press the power button
press to switch off).
GENERAL SAFETY
• Check for damage to the device before use. Return the unit if
damage is evident.
• Do not attempt to open the meter housing or sensor.
• CE and FCC compliant.
TAKING MEASUREMENTS
1. Long press the power button
2. Hold the meter, place it on table or desk, or mount on tripod in
the test area.
3. For best results, allow the light to fully cover the sensor dome.
4. Read the illuminance reading on the LCD. If the x10 or x100 dis-
play appears, multiply the displayed reading by 10 or 100.
5. If the measurement is out of range, OL will appear.
BLUETOOTH OPERATION
Long press the Bluetooth button
Download the ExView mobile app onto your smart device from the
App Store or Google Play.
Instructions for app use are available on the Extech website (Ex-
View product page). Switch APO off when using Bluetooth by
pressing the power
switches off.
#NAS100081; r. AA/78961/78963; en-US
to switch the meter on (short
to switch the meter on.
to switch Bluetooth on or off.
and H buttons until the APO symbol
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